Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
161
flag of India
62.22
162
flag of Nepal
62.22
164
flag of India
62.22
165
flag of India
62.22
170
flag of India
62.22
172
flag of Japan
62.22
173
flag of Armenia
61.11
174
flag of United States
61.11
175
flag of India
61.11
176
flag of Germany
58.89
177
flag of China
53.33
178
flag of United States
50.00
179
flag of Hungary
50.00
180
flag of Turkey
50.00
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